Mini-Circuits - Specification for Transformer - TT25-1
RF Transformer
Configuration Type: TT25-1
RATIO Frequency
MHz
Insertion Loss Case
Style Conn-
ection
3 dB
MHz 2 dB
MHz 1 dB
MHz
25 0.02-30 0.02-
30 0.05-
20 0.10-
10 W38 ex
Pin Connections
Port Primary
Dot Primary Primary
CT Second-
ary Dot Second-
ary Second-
ary CT Gnd
Ext. Case
Gnd Not
Used
ex 4 6 5 3 1 2 - - -
Case Style - W38 (inch,mm ) weight: 0.5 grams.
A B C D E F G H J
.30
7.620 .27
6.858 .23
5.842 .010
0.254 .042
1.067 .020
0.508 .100
2.540 .05
1.270 .09
2.286
K L M N P Q R S T
.31
7.874 .036
0.914
Tolerance: .x ± .1 .xx ± .03 .xxx ± .015 inch.
Material and Finish:
Case material: plastic. Lead finish: tin-lead plate or tin plate.
Special Tolerances:
Lead width ±.010 inch; lead thickness ±.003 inch.
Notes:
•FOR A AND B CONFIGURATIONS:
Typical Amplitude Unbalance: 0.1 dB over 1 dB frequency range;
0.5 dB over entire frequency range.
Typical Phase Unbalance: 1.0° over 1 dB frequency range; 5.0°
over entire frequency range.
•Absolute power, voltage and current ratings:
RF input power: 0.25 Watt rating
DC current, 30mA.
•Operating temperature range is -20°C to +85°C.
•Impedance ratio = secondary/primary
•Two case styles available: Plug-in case style X65; Radial lead
case style W38.
•Below .05 MHz, insertion loss is specified for room temperature
and above.
•Insertion loss referenced to mid-band loss
•General Quality Control Procedures and Environmental
Specifications are given in Mini-Circuits Guarantees Quality.
Hi-Rel, MIL description are given in Hi-Rel and MIL
•Prices and Specifications subjects to change without notice.
FREQ.
(MHz) Insertion
Loss(dB) Input Return
Loss(dB)
0.020 2.72 6.13
0.030 1.86 7.95
0.047 1.18 10.45
0.069 0.80 13.16
0.149 0.48 19.05
0.299 0.37 25.11
1.007 0.27 28.34
4.663 0.30 12.69
20.125 1.46 2.94
30.000 2.60 2.00
http://www.minicircuits.com/cgi-bin/spec?cat=tranfrmr&model=TT25-1&pix=x65_w38.gif&bv=4 (1 of 2) [7/10/2004 2:43:28 AM]
i2 Technologies US, Inc.
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15445 Innovation Drive
San Diego, CA 92128
